High-Flow Air Cleaner for Harley-Davidson Touring, Softail & CVO Models (2014–2017)

The Big Sucker™ Stage I Air Cleaner Kit delivers maximum airflow and clean, efficient engine breathing for Harley-Davidson Touring and Softail models. Featuring hidden breather technology, this system eliminates external hoses while maintaining ideal crankcase ventilation. A radius air inlet ensures smooth, unrestricted flow for increased throttle response and power. Built with a one-piece aluminum backing plate and a pre-oiled surgical-grade cotton filter, this kit combines show-quality chrome looks with dyno-proven performance — Made in the USA for riders who demand more from their machine.

⚠️ WARNING: Cancer and Reproductive Harm — www.P65Warnings.ca.gov

Key Features

• Hidden breather system O-ringed at the heads and vented through the mouth of the injector/carb — no external hoses required
• Radius air inlet delivers smooth, high-velocity airflow for maximum performance
• One-piece CNC-machined aluminum backing plate integrates breather passages for clean installation
• Pre-oiled surgical-grade cotton filter provides optimal filtration and long service life
• Compatible with OEM air cleaner covers for a stock look with better flow
• Includes all necessary hardware and detailed instructions
• Made in the USA

Performance & Fitment

Perfect for Harley-Davidson Touring, Softail, and CVO models (2014–2017), the Big Sucker™ Stage I Air Cleaner increases horsepower and torque while maintaining factory reliability. Designed for riders running Nowaskey Performance or Hofmann Designs setups, this intake system offers a blend of precision engineering and performance airflow that complements both mild and aggressive engine builds.

Compatible Models Include:

• Touring: Street Glide, Road Glide, Road King, Ultra Limited, Electra Glide, Tri Glide (2014–2017)
• Softail: Slim, Deluxe, Heritage, Fat Boy, Breakout (2016–2017)
• CVO Models: CVO Street Glide, CVO Pro Street Breakout, CVO Limited, CVO Road Glide Ultra (2016–2017)

Model: Big Sucker™ Stage I
Design: Hidden Breather System
Material: Aluminum
Color/Finish: Chrome
Filter Media: Surgical-Grade Cotton (Pre-Oiled, Washable)
Shape: Round
Features: Compatible with OEM Air Cleaner Covers
Units: Kit
Weight: 2.91 lbs
Dimensions (L x W x H): 9.03" x 7.92" x 5.53"
Country of Origin: Made in the USA